jacobs



,(NO Model.) 2 sheets-sheet 1.

J JACOBS. Y ILLUMINATING TILE.

No. 402,931... Patented May 7, 1889.

(No Model.) Y 2 sheets-sheet J. JACOBS.

ILLUMINATING TILE. No'. 402,931. PatentedAMay 7, 1889.

Cw A( To all whom t may concern:

`which is providedwith glazed light-openings UNITED STATES JACOB JACOBS,OF

PATENT OEEIcE.

NEW YoEK, N. Y.

lLLUMlNATlNG-TILE.

SPECIFICATION forming part of Letters Patent No. 402,931, datedMay *7,1889.

` Application filed March 9, 1889. Serial No. 302,592. (No model.)

Be it knownthat I, JACOB JACOBS, of New York, in the county of New York,and in the State of New York, have invented certain new and usefulImprovements in Illuminating- Tiles; and I do hereby declare that thefollowingis a full, clear, and eXact description thereof, referencebeing had to the accompanying drawings, in which- Figure l is aperspective View of the upper side of my tile before the lenses areplaced in position. Fig. 2 is a like view of the same when combined withthe lenses; and Figs. 3 and 4. are sections upon lines a: a; and e a,respectively, of Fig. 2.

Letters of like name and kind referto like parts in each of the figures.

The object of my invention is to increase the light-transmittingcapacity of an illuminating-tile; and said invention consists,principally, in an illuminating-tile which is provided with the usualglazed light-openings, and between the same has other and smaller glazedlight-openings, substantially as and for the purpose hereinafter shown.

It consists, further, in an illuminating-tile that are arranged inparallel lines, and at points midway between each group of adjacentlight-openin gs is provided with other and smaller glazedlight-openings, substantially as and for the purpose hereinafter setforth.

It consists, iinally, in an illuminating-tile which is provided with theusual glazed lightopenings, and between the same has other and smallerglazed light-openings, and between such openings has a filling ofconcrete, substantially as and for the purpose hereinafter shown anddescribed.

In the carrying of my invention into practice I employ a metal plate ortile, A, which is provided with light-openings a and a., that arearranged in parallel lines, and are each provided with a curb, a,whichextends above the upper face of the tile, as shown in Fig. I. At a pointmidway between each group of four of said openings a and a is anotherlightopening, a2, that is also provided with a curb, a3, but has aconsiderably smaller area than the adjacent openings, so as to preventweakening of the tile. Into each of the openings a and a2 is now iitteda lens, B or B', and the same secured in place by meansof cement, O,applied between its periphery and the adja- -cent wall of the opening,after which other cement, D,is placed within and caused to fill thespaces between said lenses, so as to form a walking-surface that isflush with the upper faces of the latter. The small lenses thus providedmaterially increase the light-transmitting capacity of the tile and addto the appearance of the same without in any manner lessening itsstrength, as the curb of each of said openings gives to the metal plateas much stiifness at least as would be obtainable were said plate madesolid and plain at such point.

I-Iaving thus described my invention, what I claim isl. Anilluminating-tile which is provided with the usual glazed light-openingsand between the same has other and smaller glazed light-openings,substantially as and for the purpose shown.

2. An illuminating-tile which is provided with glazed lights that arearranged in parallel lines, and at points midway between each group ofadjacent light-openings is provided with other and smaller glazedlight-openings, substantially as and for the purpose set forth.

3. An illuminating-tile which is provided with the usual glazedlight-openings, and between the same has other and smaller glazedlight-openings, and between such openings has a filling of concrete,substantially as and for the purpose shown and described.

In testimony that I claim the foregoing I have hereunto set my hand this2d day of March, 1889.

J AGOB JACOBS. Witnesses:

GEO. S. PRINDLE, JAS. E. HU'rcnINsoN.

